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Electronic Tachometer Specialist

Discussion in '"Stock" Alpine' started by V_Mad, Sep 10, 2008.

  1. V_Mad

    V_Mad Donation Time

    I have been working on Series IV tachometer, which I changed over to neg ground (easy) and attempted to recalibrate for 8 cylinder operation (adjust the pot). I can get accurate readings at either end of the scale, but not both. If I adjust for correct readings at 5000 rpm I get a high reading (1500 rpm) at 1000.

    I looked through the Alpine guide, but can find no help there. It seems to be non-linear. I tried resetting the zero point (adjust needle/rotation) to no avail. Any experts out there?
     
  2. George Coleman

    George Coleman Donation Time

    You might try Tiger Tom he has rebuilt and cal. tachs and speedos for years. He is the best one that I know of!:cool:
     
  3. mikephillips

    mikephillips Donation Time

    Had mine done by Tom, works like a champ.
     
  4. puff4

    puff4 Gold Level Sponsor

    Is Tiger Tom still working on Alpine/Tiger stuff? I had thought he's pretty much retired from all that... No?
     
  5. Series3Scott

    Series3Scott Co-Founder/Past President Platinum Level Sponsor

    Earlier this year I spoke with him about restoring the gauges for my Series II. He no longer does the big gauges (speedo and tach) but still does the smaller gauges.
     
  6. bkasl

    bkasl Silver Level Sponsor

    tiger tom

    Scott-do you have his email address? Brent
     
  7. V6 Mark

    V6 Mark Donation Time

    Hi Chris

    Your problem is probably long since sorted - but I recall a guy called Paul Norton here in the UK was the guy to speak to re Tachs.

    Is this the slowest EVER response to a question? ;-)


    Best
    M
     
  8. Tom H

    Tom H Platinum Level Sponsor

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